Writing instrument sharpener



FIG. 1 is a perspective view showing our new design for a writinginstrument sharpener;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is an exploded view of FIG. 1;

FIG. 4 is a top view of FIG. 1; and,

FIG. 5 is a bottom view of FIG. 1.

The broken lines in FIGS. 1-5 are included for the purpose of showingportions of the writing instrument sharpener for that form no part ofthe claimed design.

CLAIM We claim the ornamental design for a writing instrument sharpener,as shown and described.